We are now offering a quick and cheap EGR delete for the 6.0 guys. It doesnt require up-pipe removal and is user friendly. For $89 you'll get everything you need to solve the headaches.
http://marylandperfdiesel.com/i-20145878-mpd-6-0-basic-egr-by-pass.html
http://marylandperfdiesel.com/i-20145878-mpd-6-0-basic-egr-by-pass.html